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Instant Pot Mashed Potatoes

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No need to take up space on your stove with a huge pot when you can make Instant Pot Mashed Potatoes instead. It’s just as easy, perhaps more so, to make them in your Instant Pot.

mashed potatoes in a white casserole dish next to a spoon with an instant pot and red and white cloth in the background on a white counter with title text reading Instant Pot Mashed Potatoes

Mashed Potatoes are a favorite side dish in my house. They go great with slow cooker cube steak. I always make up a giant batch so we have plenty to enjoy with leftovers the next day.

At Thanksgiving, mashed potatoes are a must-have at our feast. Because I make a lot of sides for our Thanksgiving dinner, my oven and stove get pretty crowded.

That’s why I’m glad I have a 6 quart and an 8 quart Instant Pot to help get the cooking done. The beauty of making Instant Pot Mashed Potatoes is that since you mash them right in the pot, you can just put the lid back on and keep them warm until you’re ready to serve them.

mashed potatoes in a white casserole dish next to a spoon with an instant pot and red and white cloth in the background on a white counter

What You’ll Need

Mashed potatoes are not only awesome because everyone loves them, but also because they’re so simple. All you need to make them are a few basic ingredients.

  • Potatoes
  • Butter
  • Sour cream
  • Milk
  • Salt and pepper

For added flavor, you can add air fryer roasted garlic. Such an easy addition but with big impact!

Equipment

How to Make Instant Pot Mashed Potatoes

It’s super easy to make Instant Pot Mashed Potatoes. Here’s how you do it:

Step 1: Prepare the potatoes

five potatoes on a white counter next to an instant pot

Start with 4 pounds of russet potatoes. Peel the potatoes and cut larger potatoes in half. Add a cup and a half of water.

halved peeled potatoes in an instant pot on a white counter

Step 2: Cook

Now, we’re going to let the pot do the work. Secure the lid, making sure the valve is turned to “sealing” and set to Manual pressure for 10 minutes.

When the cook time has finished, move the valve to “venting” to quick release the pressure.

Step 3: Mash

After the pressure has fully released, carefully remove the lid. If you like your mashed potatoes, creamy like I do, go ahead and add sour cream, milk, butter, and salt, pepper and garlic powder (if you want).

If you want fluffy mashed potatoes, drain off any residual water before adding the other ingredients.

sour cream, milk, butter, and salt, pepper and garlic powder, and cooked potatoes in an instant pot on a white counter

Use a masher to mash the potatoes and mix in the other ingredients. Keep mashing until the potatoes reach your desired consistency.

potatoes being mashed with a potato masher in an instant pot on a white counter

If you like chives, feel free to add them at this step too.

chives and butter being mashed into the potatoes in an instant pot on a white counter

If you aren’t serving the potatoes right away, replace the Instant Pot lid and set the pot to “Warm.”

Step 4: Serve

When you’re ready to serve, just transfer the Instant Pot mashed potatoes to a serving bowl. Top with additional chives for color, if you want.

mashed potatoes in a white casserole dish next to a spoon with an instant pot and red and white cloth in the background on a white counter

Instant Pot Mashed Potatoes Recipe

In case you need it, here’s the printable recipe card for Instant Pot Mashed Potatoes.

📋 Recipe

Instant Pot Mashed Potatoes

Corinne Schmitt
Delicious and creamy mashed potatoes.
4.96 from 25 votes
Cook Time 10 minutes
5 minutes
Total Time 15 minutes
Course Side Dish
Cuisine American
Servings 8
Calories 184 kcal

Ingredients
  

  • 4 pounds potatoes peeled and cut in half
  • 1 1/2 cups water
  • 2 tablespoons butter
  • 1/3 cup sour cream
  • ½ cup milk
  • Salt and pepper to taste

Instructions
 

  • Place peeled potatoes in inner liner of Instant Pot. Add water.
  • Close the instant pot lid and turn pressure valve to seal. Cook on manual high pressure for 10 minutes.
  • When the cook time is complete press “Cancel” and move the valve to “venting” for a quick release of the pressure.
  • After the pressure has fully released, carefully remove the lid. Add the remaining ingredients and use a masher to mash the potatoes and combine the ingredients.
  • Transfer to a serving bowl and serve.

Nutrition

Calories: 184kcalCarbohydrates: 29gProtein: 7gFat: 5gSaturated Fat: 3gCholesterol: 14mgSodium: 64mgPotassium: 970mgFiber: 6gSugar: 1gVitamin A: 172IUVitamin C: 26mgCalcium: 97mgIron: 7mg
Tried this recipe?Let us know how it was!

More Instant Pot Thanksgiving Recipes

Have more than one Instant Pot? Or just want to explore some other ways you can use it for Thanksgiving? Check out Instant Pot Creamed Brussel Sprouts and these other Instant Pot Thanksgiving recipes.

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